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Automatic Climate Control, Acc: Component Locations Saab 9-4X I

Automatic HVAC System 41 illustrations ~694 words

Location (pos)

  1. 01 - Front
  2. 02 - Rear
  3. 03 - Left
  4. 04 - Right Hand
  5. 05 - All
  6. 06 - Upper
  7. 07 - Center
  8. 08 - Lower
  9. 09 - Service Information

Scheme 101

Scheme 101: Heater and Air Conditioning Remote Control Replacement
Scheme 101: Heater and Air Conditioning Remote Control Replacement
CalloutComponent Name
Preliminary Procedure Remove the radio control. Refer to RADIO CONTROL ASSEMBLY REPLACEMENT
1Heater and Air Conditioning Remote Control Procedure Disconnect the control harness connectors. Release the retainers in order to remove the control. Program the control module. Refer to CONTROL MODULE REFERENCES .

Scheme 102

Scheme 102: Auxiliary Heater and Air Conditioning Control Module Replacement
Scheme 102: Auxiliary Heater and Air Conditioning Control Module Replacement
CalloutComponent Name
Preliminary Procedure Remove the Floor console. Refer to FRONT FLOOR CONSOLE REPLACEMENT . Disconnect the auxiliary heater and blower and air conditioning control module electrical connectors.
1Auxiliary Heater and Blower and Air Conditioning Control Module Screws (Qty: 2) Refer to FASTENER CAUTION . Tighten 1.5 Nm (13 lb in)
2Auxiliary Heater and Blower and Air Conditioning Control Module

Scheme 103

Scheme 103: Air Inlet Valve Actuator Replacement - Left Side
Scheme 103: Air Inlet Valve Actuator Replacement - Left Side
CalloutComponent Name
Preliminary Procedures Disconnect the negative battery cable. Refer to: BATTERY NEGATIVE CABLE DISCONNECTION AND CONNECTION . Remove the Instrument panel assembly. Refer to INSTRUMENT PANEL ASSEMBLY REMOVAL . Remove the inside air inlet actuator-Left. Refer to AIR INLET VALVE ACTUATOR REPLACEMENT - LEFT SIDE .
1Air Inlet Valve Actuator Screw (Qty: 2) Refer to FASTENER CAUTION . Tighten 1.5 Nm (13 lb in)
2Air Inlet Valve Actuator Procedure Disconnect the air inlet valve actuator electrical connector. NOTE: Actuator is self-calibrating when connecting the battery.
NOTE
Actuator is self-calibrating when connecting the battery.

Scheme 104

Scheme 104: Air Inlet Valve Actuator Replacement - Right Side
Scheme 104: Air Inlet Valve Actuator Replacement - Right Side
CalloutComponent Name
Preliminary Procedures Disconnect the negative battery cable. Refer to: BATTERY NEGATIVE CABLE DISCONNECTION AND CONNECTION . Remove the Instrument panel assembly. Refer to INSTRUMENT PANEL ASSEMBLY REMOVAL . Remove the inside air inlet actuator-Left. Refer to AIR INLET VALVE ACTUATOR REPLACEMENT - LEFT SIDE .
1Air Inlet Valve Actuator Screw (Qty: 2) Refer to FASTENER CAUTION . Tighten 1.5 Nm (13 lb in)
2Air Inlet Valve Actuator Procedure Disconnect the air inlet valve actuator electrical connector. NOTE: Actuator is self-calibrating when connecting the battery.
NOTE
Actuator is self-calibrating when connecting the battery.

Scheme 105

Scheme 105: Air Inlet Valve Actuator Replacement - Front
Scheme 105: Air Inlet Valve Actuator Replacement - Front
CalloutComponent Name
Preliminary Procedures Disconnect the negative battery cable. Refer to: BATTERY NEGATIVE CABLE DISCONNECTION AND CONNECTION . Remove the Instrument panel assembly. Refer to INSTRUMENT PANEL ASSEMBLY REMOVAL . Remove the inside air inlet actuator-Left. Refer to AIR INLET VALVE ACTUATOR REPLACEMENT - LEFT SIDE .
1Air Inlet Valve Actuator Screw (Qty: 2) Refer to FASTENER CAUTION . Tighten 1.5 Nm (13 lb in)
2Air Inlet Valve Actuator Procedure Disconnect the air inlet valve actuator electrical connector. NOTE: Actuator is self-calibrating when connecting the battery.
NOTE
Actuator is self-calibrating when connecting the battery.

Scheme 106

Scheme 106: Air Inlet Valve Actuator Replacement - Rear
Scheme 106: Air Inlet Valve Actuator Replacement - Rear
CalloutComponent Name
Preliminary Procedures Disconnect the negative battery cable. Refer to: BATTERY NEGATIVE CABLE DISCONNECTION AND CONNECTION . Remove the Instrument panel assembly. Refer to INSTRUMENT PANEL ASSEMBLY REMOVAL . Remove the inside air inlet actuator-Left. Refer to AIR INLET VALVE ACTUATOR REPLACEMENT - LEFT SIDE .
1Air Inlet Valve Actuator Screw (Qty: 2) Refer to FASTENER CAUTION . Tighten 1.5 Nm (13 lb in)
2Air Inlet Valve Actuator Procedure Disconnect the air inlet valve actuator electrical connector. NOTE: Actuator is self-calibrating when connecting the battery.
NOTE
Actuator is self-calibrating when connecting the battery.

Scheme 107

Scheme 107: Mode Control Cam Actuator Replacement
Scheme 107: Mode Control Cam Actuator Replacement
CalloutComponent Name
Preliminary Procedures Disconnect the negative battery cable. Refer to BATTERY NEGATIVE CABLE DISCONNECTION AND CONNECTION . Remove LH floor air outlet duct. Refer to FLOOR REAR AIR OUTLET DUCT REPLACEMENT - LEFT SIDE . Loosen the brake pedal bracket. Fit the fastener and move the brake pedal bracket so that they fit against the cam position sensor cover's screws. See BRAKE PEDAL ASSEMBLY REPLACEMENT .
1Mode Cam Actuator Cover Screw (Qty: 1) Refer to FASTENER CAUTION . Procedure Disconnect the mode actuator electrical connector. Tighten 1.5 Nm (13 lb in)
2Mode Cam Actuator Cover.
3Mode Cam Actuator Gears
4Mode Cam Actuator Screw (Qty: 2) Tighten 1.5 Nm (13 lb in)
5Mode Cam Actuator NOTE: Actuator is self-calibrating when connecting the battery.
NOTE
Actuator is self-calibrating when connecting the battery.

Scheme 108

Scheme 108: Removal Procedure
Scheme 108: Removal Procedure

Scheme 109

Scheme 109
Scheme 109

Scheme 110

Scheme 110
Scheme 110
  1. Remove the mode came gear cover screw (1) and cover (2).
  2. Remove the mode cam gear actuator screws (1) and separate the actuator (2) from the HVAC module.
  3. Disconnect the mode cam gear actuator electrical connector.
  4. Remove the mode cam gear (1) from the HVAC module.
  5. For alignment purposes, remove both cam gear levers (2).
  6. If the valve gears (3) are damaged, remove them from the HVAC module and discard.

Scheme 111

Scheme 111: Installation Procedure
Scheme 111: Installation Procedure

Scheme 112

Scheme 112
Scheme 112

Scheme 113

Scheme 113
Scheme 113

Scheme 114

Scheme 114
Scheme 114
  1. NOTE: Do not use casting marks behind the cam gear levers for aligning the cam levers to the cam gear. Doing so may result in poor HVAC performance and/or damage to the HVAC module. If the valve gears were removed or replaced, install them onto the HVAC module.
  2. Rotate the defroster gear clockwise (1) as far as it will go, and install the lever by engaging a gear tooth into the right-most lever gap (2).
  3. Rotate the heater door gear clockwise (1) as far as it will go, and install the lever by engaging a gear tooth into the right-most lever gap (2).
  4. Install the mode cam into position on the levers.
  5. Continue to push the mode cam onto the case and rotate left and/or right until an audible click is heard locking the mode cam in place.
  6. Rotate the mode cam from stop to stop (1). It should rotate completely without binding. If the mode does not rotate from stop to stop, then remove the mode came and levers and repeat steps 2 -6.
  7. Place the mode cam actuator and gear assembly (2) on the HVAC module and install the screws (1) and tighten to 1.7 Nm (5 lb in).
  8. Connect the mode cam actuator electrical connector.
  9. Install the cam gear cover (1) and screw (2).

Scheme 115

Scheme 115: Removal Procedure
Scheme 115: Removal Procedure

Scheme 116

Scheme 116
Scheme 116

Scheme 117

Scheme 117
Scheme 117
  1. Remove the mode came gear cover screw (1) and cover (2).
  2. Remove the mode cam gear actuator screws (1) and separate the actuator (2) from the HVAC module.
  3. Disconnect the mode cam gear actuator electrical connector.
  4. Remove the mode cam gear (1) from the HVAC module.
  5. For alignment purposes, remove both cam gear levers (2).
  6. If the valve gears (3) are damaged, remove them from the HVAC module and discard.

Scheme 118

Scheme 118: Installation Procedure
Scheme 118: Installation Procedure

Scheme 119

Scheme 119
Scheme 119

Scheme 120

Scheme 120
Scheme 120

Scheme 121

Scheme 121
Scheme 121
  1. NOTE: Do not use casting marks behind the cam gear levers for aligning the cam levers to the cam gear. Doing so may result in poor HVAC performance and/or damage to the HVAC module. If the valve gears were removed or replaced, install them onto the HVAC module.
  2. Rotate the defroster gear clockwise (1) as far as it will go, and install the lever by engaging a gear tooth into the right-most lever gap (2).
  3. Rotate the heater door gear clockwise (1) as far as it will go, and install the lever by engaging a gear tooth into the right-most lever gap (2).
  4. Install the mode cam into position on the levers.
  5. Continue to push the mode cam onto the case and rotate left and/or right until an audible click is heard locking the mode cam in place.
  6. Rotate the mode cam from stop to stop (1). It should rotate completely without binding. If the mode does not rotate from stop to stop, then remove the mode came and levers and repeat steps 2 through 6.
  7. Place the mode cam actuator and gear assembly (2) on the HVAC module and install the screws (1) and tighten to 1.7 Nm (5 lb in).
  8. Connect the mode cam actuator electrical connector.
  9. Install the cam gear cover (1) and screw (2).

Scheme 122

Scheme 122: Temperature Valve Actuator Replacement - Right Side
Scheme 122: Temperature Valve Actuator Replacement - Right Side
CalloutComponent Name
Preliminary Procedures Disconnect the negative battery cable. Refer to: BATTERY NEGATIVE CABLE DISCONNECTION AND CONNECTION . Remove the instrument panel lower trim panel. Refer to INSTRUMENT PANEL LOWER TRIM PANEL REPLACEMENT - RIGHT SIDE .
1Temperature Valve Actuator Screw (Qty: 2) Refer to FASTENER CAUTION . Tighten 1.5 Nm (13 lb in)
2Temperature Valve Actuator Procedure Disconnect the temperature actuator electrical connector. NOTE: Actuator is self-calibrating when connecting the battery.
NOTE
Actuator is self-calibrating when connecting the battery.

Scheme 123

Scheme 123: Temperature Valve Actuator Replacement - Left Side
Scheme 123: Temperature Valve Actuator Replacement - Left Side
CalloutComponent Name
Preliminary Procedures Disconnect the negative battery cable. Refer to: BATTERY NEGATIVE CABLE DISCONNECTION AND CONNECTION . Remove the instrument panel lower trim panel. Refer to INSTRUMENT PANEL LOWER TRIM PANEL REPLACEMENT - LEFT SIDE .
1Temperature Valve Actuator Screw (Qty: 3) Refer to FASTENER CAUTION . Tighten 1.5 Nm (13 lb in)
2Temperature Valve Actuator Procedure Disconnect the temperature actuator electrical connector. NOTE: Actuator is self-calibrating when connecting the battery.
NOTE
Actuator is self-calibrating when connecting the battery.

Scheme 124

Scheme 124: Auxiliary Temperature Valve Actuator Replacement
Scheme 124: Auxiliary Temperature Valve Actuator Replacement
CalloutComponent Name
Preliminary Procedures Disconnect the negative battery cable. Refer to: BATTERY NEGATIVE CABLE DISCONNECTION AND CONNECTION . Remove front floor console extension. Refer to FRONT FLOOR CONSOLE EXTENSION REPLACEMENT
1Auxiliary Temperature Valve Actuator Screw (Qty: 2) Refer to FASTENER CAUTION . Tighten 1.5 Nm (13 lb in)
2Auxiliary Temperature Valve Actuator Procedure Disconnect the temperature actuator electrical connector. NOTE: Actuator is self-calibrating when connecting the battery.
NOTE
Actuator is self-calibrating when connecting the battery.

Scheme 125

Scheme 125: Auxiliary Mode Valve Actuator Replacement
Scheme 125: Auxiliary Mode Valve Actuator Replacement
CalloutComponent Name
Preliminary Procedures Disconnect the negative battery cable. Refer to: BATTERY NEGATIVE CABLE DISCONNECTION AND CONNECTION . Remove front floor console extension. Refer to FRONT FLOOR CONSOLE EXTENSION REPLACEMENT
1Inside Air Valve Actuator Screw (Qty: 3) Refer to FASTENER CAUTION . Tighten 1.5 Nm (13 lb in)
2Inside Air Valve Actuator Procedure Disconnect the recirculation actuator electrical connector. NOTE: Actuator is self-calibrating when connecting the battery.
NOTE
Actuator is self-calibrating when connecting the battery.

Scheme 126

Scheme 126: Duct Air Temperature Sensor Replacement - Upper Right Side
Scheme 126: Duct Air Temperature Sensor Replacement - Upper Right Side
CalloutComponent Name
Preliminary Procedures Disconnect the negative battery cable. Refer to: BATTERY NEGATIVE CABLE DISCONNECTION AND CONNECTION . Remove the Instrument panel assembly. Refer to INSTRUMENT PANEL ASSEMBLY REMOVAL .
1Duct Air Temperature Sensor - Upper Right Side Procedure Disconnect the air temperature sensor electrical connector. Twist and pull the upper air temperature sensor from the HVAC module assembly.

Scheme 127

Scheme 127: Duct Air Temperature Sensor Replacement - Upper Left Side
Scheme 127: Duct Air Temperature Sensor Replacement - Upper Left Side
CalloutComponent Name
Preliminary Procedures Remove the Instrument panel assembly. Refer to INSTRUMENT PANEL ASSEMBLY REMOVAL .
1Duct Air Temperature Sensor Replacement - Upper Left Side Procedure Disconnect the air temperature sensor electrical connector. Twist and pull the lower air temperature sensor from the HVAC module assembly.

Scheme 128

Scheme 128: Duct Air Temperature Sensor Replacement - Lower
Scheme 128: Duct Air Temperature Sensor Replacement - Lower
CalloutComponent Name
Preliminary Procedures Remove the front floor console extension. Refer to FRONT FLOOR CONSOLE EXTENSION REPLACEMENT .
1Remove sensor on left duct.

Scheme 129

Scheme 129: Duct Air Temperature Sensor Replacement - Lower Left Side
Scheme 129: Duct Air Temperature Sensor Replacement - Lower Left Side
CalloutComponent Name
Preliminary Procedure Remove instrument panel insulator panel-left side. Refer to INSTRUMENT PANEL INSULATOR PANEL REPLACEMENT - LEFT SIDE .
1Duct Air Temperature Sensor - Lower Left Side Procedure Disconnect the air temperature sensor electrical connector. Twist and pull the lower duct air temperature sensor from the HVAC module assembly.

Scheme 130

Scheme 130: Duct Air Temperature Sensor Replacement - Lower Right Side
Scheme 130: Duct Air Temperature Sensor Replacement - Lower Right Side
CalloutComponent Name
Preliminary Procedures Remove the instrument panel compartment. Refer to INSTRUMENT PANEL COMPARTMENT REPLACEMENT .
1Duct Air Temperature Sensor Replacement - Lower Right Side Procedure Disconnect the duct air temperature sensor electrical connector. Twist and pull the duct air temperature sensor from the HVAC module assembly.

Scheme 131

Scheme 131: Ambient Air Quality Sensor Replacement
Scheme 131: Ambient Air Quality Sensor Replacement
CalloutComponent Name
Preliminary Procedure Remove the air inlet grille panel. Refer to AIR INLET GRILLE PANEL REPLACEMENT .
1Ambient Air Quality Sensor Procedures Unsnap the ambient air quality sensor and move it forward. Disconnect the electrical connector.

Scheme 132

Scheme 132: Evaporator Air Temperature Sensor Replacement
Scheme 132: Evaporator Air Temperature Sensor Replacement
CalloutComponent Name
Preliminary Procedures Remove the instrument panel compartment. Refer to INSTRUMENT PANEL COMPARTMENT REPLACEMENT . Reposition any wiring or hoses to gain access to evaporator temperature sensor.
1Evaporator Temperature Sensor Procedure Disconnect the wiring connector Rotate sensor 1/4 turn counter clock wise to remove

Scheme 133

Scheme 133: Inside Air Temperature Sensor Replacement
Scheme 133: Inside Air Temperature Sensor Replacement
CalloutComponent Name
Preliminary Procedure Remove the auxiliary blower motor. Refer to AUXILIARY AIR CONDITIONING BLOWER MOTOR REPLACEMENT . Disconnect the inside air temperature sensor electrical connectors.
1Inside Air Temperature Sensor Procedure Disconnect the duct air temperature sensor electrical connector. Twist and pull the duct air temperature sensor from the HVAC module assembly.

Scheme 134

Scheme 134: Inside Air Moisture and Windshield Temperature Sensor Replacement
Scheme 134: Inside Air Moisture and Windshield Temperature Sensor Replacement
CalloutComponent Name
Preliminary Procedure Remove the inside rearview mirror mount cover INSIDE REARVIEW MIRROR REPLACEMENT .
1Inside Air Moisture and Windshield Temperature Sensor Retainer Procedure Disconnect the electrical connector Release the inside air moisture and windshield temperature sensor retainer.

Scheme 135

Scheme 135: Blower Motor Control Module Replacement
Scheme 135: Blower Motor Control Module Replacement
CalloutComponent Name
Preliminary Procedures Remove the instrument panel compartment. Refer to INSTRUMENT PANEL COMPARTMENT REPLACEMENT . Disconnect the heater and blower and air conditioning control module electrical connectors.
1Heater and Blower and Air Conditioning Control Module Screws (Qty: 2) Refer to FASTENER CAUTION . Tighten 1.5 Nm (13 lb in)
2Heater and Blower and Air Conditioning Control Module

Scheme 136

Scheme 136: Power, Ground, Serial Data, and Blower Controls
Scheme 136: Power, Ground, Serial Data, and Blower Controls

Scheme 137

Scheme 137: Compressor Controls
Scheme 137: Compressor Controls

Scheme 138

Scheme 138: Actuators
Scheme 138: Actuators

Scheme 139

Scheme 139: Sensors (1 of 2)
Scheme 139: Sensors (1 of 2)

Scheme 140

Scheme 140: Sensors (2 of 2)
Scheme 140: Sensors (2 of 2)

Scheme 141

Scheme 141: Rear Seat Controls (CJ4)
Scheme 141: Rear Seat Controls (CJ4)

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